How does NSI® L-Lysine Plus 1000 mg work?
L-Lysine is an essential amino acid. It assists in the body’s absorption of calcium. It also promotes the formation of collagen, contributing to healthy bone, cartilage and connective tissue. It is a building block for all protein. L-Lysine boosts the immune system, enhances circulation and helps maintain healthy blood vessels. As an essential amino acid, it cannot be manufactured by the body. One effective way to acquire it is through supplementation.

NSI® L-Lysine Plus contains 1000 mg of the nutrient as well as beneficial amounts of the following:
  
Vitamin C—also known as ascorbic acid, promotes cardiovascular health and sound cholesterol levels. This water-soluble vitamin also encourages antioxidant activity within the body, helping block some of the effects of free radicals. It boosts the immune system and also helps to build and maintain tissue.

Vitamin B6—this vitamin helps convert food into energy. It contributes to a healthy heart and immune function. B6 also contributes to the production of serotonin, a brain neurotransmitter that influences mood, appetite, sleep and pain sensitivity. In addition, it helps boost the metabolism of carbohydrates, fats and proteins. 
 
Zinc—contributes to a healthy immune system. It also enhances the appearance of skin, hair and nails. Zinc promotes the growth and maintenance of muscles. It has also been used to boost libido and sperm count. Pregnant women, vegetarians and vegans should try to retain favorable levels of zinc in their bodies. 

NSI® L-Lysine Plus is better because it:
-- Contains 1000 mg of L-Lysine plus other beneficial vitamins and nutrients in each safe, vegetarian 3 tablet serving
-- Offers superior quality and potency
-- Is a better value when compared to other brands